fix: add hidden command to get version correctly to documentation

fixes #14

.gitlab-ci.yml

@@ -92,7 +92,7 @@ pages:
   script:
   - sed -i 's/GA_ID/'"$GA"'/' site/config.toml
   - mkdir -p site/layouts/shortcodes
-  - ./release -v > site/layouts/shortcodes/version.html
+  - ./release short-version > site/layouts/shortcodes/version.html
   - ./release help > site/layouts/shortcodes/help.html
   - ./release help next-version > site/layouts/shortcodes/next-version.html
   - ./release help changelog > site/layouts/shortcodes/changelog.html

cmd/release/main.go

@@ -32,6 +32,11 @@ var (
 	version string
 )
 
+func shortVersion(c *cli.Context) error {
+	fmt.Println(version)
+	return nil
+}
+
 func addDownload(c *cli.Context) error {
 	tag := c.GlobalString("commit-tag")
 	if len(tag) == 0 {
@@ -306,6 +311,12 @@ func main() {
 				},
 			},
 		},
+		{
+			Name:   "short-version",
+			Usage:  "print just the version number",
+			Action: shortVersion,
+			Hidden: true,
+		},
 	}
 
 	err := app.Run(os.Args)